Chandler Estates Area 2 Bedroom and Den, 2 Bath Gated Traditional Pool Home with Large Lot (approx. 8100 sq. ft.) and 2022 LUXURY 1 Bedroom ADU | Welcome to 5525 and 5527 Costello Ave! Main Home with Formal Living Room with Cozy Fireplace Open to Family Room also with Fireplace. Den with Double Glass Doors off the Entry. Updated Kitchen with Cherry Wood Cabinetry, Granite Countertops, and Stainless-Steel Appliances including Range, Dishwasher and Refrigerator. Dining Room off the Kitchen and Family Room. Large front Bedroom adjacent to Marble Hallway Bath with Separate Tub and Shower. Laundry Closet off Hallway with New Stackable Washer and Dryer. Back En Suite Bedroom with Step-in Shower and Access to Deck and Backyard. Light Hardwood Floors in many Rooms. Backyard with Sparkling Pool, Pool Cabana, Storage Shed and LUXURY 2022 Built 1 Bedroom ADU Adjacent to Pool Area with approximately 489 sq ft. ADU includes: Kitchen with White Cabinetry, Quartz Countertops, Artistic Subway Tile Backsplash, Stainless Appliances, Stackable Washer and Dryer, Living Room, Sumptuous Bath with Tub Shower Combination, and Cozy Separate Bedroom Area with Mirrored Closet Doors. LUXURY ADU With Upside Rental Potential!